<template>
  <div>
    <vxe-button @click="printEvent">设置顶部和底部</vxe-button>
    <vxe-grid ref="gridRef" v-bind="gridOptions"></vxe-grid>
  </div>
</template>

<script lang="ts">
import Vue from 'vue'
import type { VxeGridInstance, VxeGridProps } from 'vxe-table'

interface RowVO {
  id: number
  name: string
  role: string
  sex: string
  age: number
  address: string
}

export default Vue.extend({
  data () {
    const gridOptions: VxeGridProps<RowVO> = {
      border: true,
      columns: [
        { type: 'seq', width: 70 },
        { field: 'name', title: 'Name' },
        { field: 'sex', title: 'Sex' },
        { field: 'age', title: 'Age' }
      ],
      data: [
        { id: 10001, name: 'Test1', role: 'Develop', sex: 'Man', age: 28, address: 'test abc' },
        { id: 10002, name: 'Test2', role: 'Test', sex: 'Women', age: 22, address: 'Guangzhou' },
        { id: 10003, name: 'Test3', role: 'PM', sex: 'Man', age: 32, address: 'Shanghai' },
        { id: 10004, name: 'Test4', role: 'Designer', sex: 'Women', age: 24, address: 'Shanghai' }
      ]
    }

    return {
      gridOptions
    }
  },
  methods: {
    printEvent () {
      // 打印样式
      const printStyle = `
      .title {
        text-align: center;
      }
      .my-list-row {
        display: inline-block;
        width: 100%;
      }
      .my-list-col {
        float: left;
        width: 33.33%;
        height: 28px;
        line-height: 28px;
      }
      .my-top,
      .my-bottom {
        font-size: 12px;
      }
      .my-top {
        margin-bottom: 5px;
      }
      .my-bottom {
        margin-top: 30px;
        text-align: right;
      }
      `

      // 打印顶部内容模板
      const topHtml = `
      <h1 class="title">出货单据</h1>
      <div class="my-top">
        <div class="my-list-row">
          <div class="my-list-col">商品名称：vxe-table</div>
          <div class="my-list-col">发货单号：X2665847132654</div>
          <div class="my-list-col">发货日期：2020-09-20</div>
        </div>
        <div class="my-list-row">
          <div class="my-list-col">收货姓名：小徐</div>
          <div class="my-list-col">收货地址：火星第七区18号001</div>
          <div class="my-list-col">联系电话：10086</div>
        </div>
      </div>
      `

      // 打印底部内容模板
      const bottomHtml = `
      <div class="my-bottom">
        <div class="my-list-row">
          <div class="my-list-col"></div>
          <div class="my-list-col">创建人：小徐</div>
          <div class="my-list-col">创建日期：2020-09-20</div>
        </div>
      </div>
      `

      const $grid = this.$refs.gridRef as VxeGridInstance<RowVO>
      if ($grid) {
        $grid.print({
          sheetName: '打印出货单据',
          style: printStyle,
          beforePrintMethod ({ html }) {
            return topHtml + html + bottomHtml
          }
        })
      }
    }
  }
})
</script>
